CO2
The right CO2 solution for every need
The ROXSTA CO2 series offers tried and tested solutions for capacity ranges up to 960 kW in discount stores and supermarket, commercial kitchens, refrigerated warehouses and industrial processes.
ROXSTA – from small to big
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ROXSTAmicro
Capacities up to 6.8 kW
Application
- Plug & Play MT and LT units and cold rooms
Capacities
Air-cooled (t0 MT -7 °C / t0 LT -30 °C / tGC 32 °C)
- Medium temperature 0.9…6 kW
- Low temperature 0.5…3.5 kW
Water-cooled (t0 MT -7 °C / t0 TK -30 °C / tGC 12 °C)
- Medium temperature 1.1…6.8 kW
- Low temperature 0.8…3.9 kW
Details
- Solution for retrofitting / expansion
- Air cooled version with gas cooler / heater combination for food retail / commercial kitchens / ice making
- Water cooled version with plate heat exchanger for combination with water chillers / dry coolers
Design pressure
- 90 bar suction line (MT/LT)
- 90 bar medium pressure
- 120 bar high pressure
-
ROXSTAair
Capacities up to 20 kW
Application
- Individual cooling points / small stores
- MT cabinets open: up to 13 m / closed: up to 25 m
Capacities
(t0 MT -5 °C / tGC 38 °C)
- Medium temperature 11…20 kW
Details
- Condensing unit for MT applications
- 1 transcritical compressor with frequency converter
- Framework in corrosion category C3
- Intermediate pressure container (20 L)
- Control panel with electronic control
- Flash gas heat exchanger
- Installation variants:
– Indoor installation with 2 EC radial fans
– Outdoor installation with 2 EC axial fans
Design pressure
- 45/80 bar suction line
- 45/80 bar medium pressure
- 120 bar high pressure
-
ROXSTAcube mini
Capacities up to 65 kW
Application
- Discounters /organic shops /retail up to 1,000 m²
- MT cabinets open: up to 25 m / closed: up to 50 m
- 1-2 LT cold rooms
Capacities
(t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)
- Medium temperature 19…65 kW
- Low temperature 0…9 kW
Details
- Trans- & subcritical application
- 2 MT / 0-1 LT incl. frequency converter per lead compressor
- Indoor & outdoor installation
- Noise reduction 10 / 15 dBA
- Heat recovery integrated or stand-alone
- Receiver volume 80 L
Design pressure
- 30 bar suction line (LT)
- 45 bar suction line (MT)
- 45/60 bar medium pressure
- 120 bar high pressure
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ROXSTAcube
Capacities up to 100 kW
Application
- Discounters / supermarkets up to 1,200 m²
- MT cabinets open: up to 60 m / closed: up to 120 m
- LT shelf / island up to 10 m & 1-2 LT cold rooms
Capacities
(t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)
- Medium temperature 28…100 kW
- Low temperature 0…14 kW
Details
- Trans- & subcritical application
- 3 MT / 0-2 LT incl. frequency converter per lead compressor
- Seperable framing
- Indoor & outdoor installation
- Noise reduction 10 / 15 dBA
- Heat recovery with bypass
- Receiver volume 80 / 100 L
Design pressure
- 30 bar suction line (LT)
- 45 bar suction line (MT)
- 45/60 bar medium pressure
- 120 bar high pressure
-
ROXSTAsmart
Capacities up to 150 kW
Application
- Supermarkets up to 2,500 m²
- MT cabinets open: up to 75 m / closed: up to 150 m
- LT shelf / island up to 25 m & LT cold rooms
Capacities
(t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)
- Medium temperature 28…150 kW
- Low temperature 0…43 kW
Details
- Trans- & subcritical application
- 3-4 MT / 0-3 LT incl. frequency converter per lead compressor
- Flash gas / suction gas heat exchanger (MT/LT)
- Active oil management
- Housing for indoor & outdoor installation
- Heat recovery with bypass
- Mounted water heat pump
- Receiver volume 165 / 2×165 L
Design pressure
- 30 bar suction line (LT)
- 45 bar suction line (MT)
- 45/60 bar medium pressure
- 120 bar high pressure
-
ROXSTA 2.0
Capacities up to 320 kW
Application
- Supermarkets up to 5,000 m²
- MT cabinets open: up to 200 m / closed: up to 400 m
- LT shelf / island up to 100 m & LT cold rooms
Capacities
(t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)
- Medium temperature 36…320 kW
- Low temperature 0…240 kW
Details
- Trans- & subcritical application
- 3-6 MT / 0-5 LT incl. frequency converter per lead compressor & pressure level
- Seperable intermediate pressure station
- Heat recovery / heat pump
- Parallel compression / TEKO patent EVALIFT
- Receiver volume 250 / 420 L
- Transport container
Design pressure
- 30 bar suction line (LT)
- 45 bar suction line (MT)
- 45/60/80 bar medium pressure
- 120 bar high pressure
-
ROXSTA G6
Capacities up to 640 kW
Application
- Hypermarkets / Cash&Carry up to 10,000 m²
- MT cabinets open: up to 300 m / closed: up to 600 m
- LT shelf / island up to 150 m & LT cold rooms
Capacities
(t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)
- Medium temperature 207…640 kW
- Low temperature 0…590 kW
Details
- Trans- & subcritical application
- 3-7 MT / 0-6 LT incl. frequency converter per lead compressor & pressure level
- 6-cylinder compressor
- Heat recovery
- Parallel compression / Ejector / TEKO patent EVALIFT / TEKOJET
- Receiver volume 250 / (2x) 420 L
- Transport container
Design pressure
- 30/60 bar suction line (LT)
- 45/60 bar suction line (MT)
- 45/60 bar medium pressure
- 120 bar high pressure
-
ROXSTAindustrial
Capacities up to 960 kW
Application
- Industry, food production and logistics
- MT or MT and LT with heat recovery system / heat pump / climate control function
Capacities
(t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)
- Medium temperature 390…960 kW
- Low temperature 0…590 kW
Details
- Trans- & subcritical application
- 4-10 MT / 0-6 LT incl. frequency converter per lead compressor & pressure level
- Compressors connected as a booster
- Heat recovery / heat pump / AC function
- Parallel compression / Ejector / TEKO patent EVALIFT / TEKOJET
- Receiver volume 250 / (2x) 420 L
- Active liquid subcooling
- Subcooling plate heat exchanger for gas cooler
- Custom-made technology – absolute flexibility
Design pressure
- 30/60 bar suction line (LT)
- 45/60 bar suction line (MT)
- 45/60/80 bar medium pressure
- 120 bar high pressure
